168233986534 has 32 divisors (see below), whose sum is σ = 261366062976. Its totient is φ = 81163607040.

The previous prime is 168233986499. The next prime is 168233986549. The reversal of 168233986534 is 435689332861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22071244 + ... + 22078864.

It is an arithmetic number, because the mean of its divisors is an integer number (8167689468).

Almost surely, 2^168233986534 is an apocalyptic number.

168233986534 is a deficient number, since it is larger than the sum of its proper divisors (93132076442).

168233986534 is a wasteful number, since it uses less digits than its factorization.

168233986534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10960.

The product of its digits is 22394880, while the sum is 58.

The spelling of 168233986534 in words is "one hundred sixty-eight billion, two hundred thirty-three million, nine hundred eighty-six thousand, five hundred thirty-four".